ls030504 ls030504

23-11-2016
Mathematics

contestada

solve for h and c to find what h and c equals; 34.50=4h+7c and 30.50=8h+3c

Respuesta :

boscokwan boscokwan

23-11-2016

34.5=4h+7c
(34.5-7c)/4=h
Put h= (34.5-7c)/4 into another equation
30.5=8h+3c
30.5=2(34.5-7c)+3c
30.5=69-14c+3c
11c=38.5
c=38.5/11
Put c=38.5/11 into one of the equations
to calculate the h.

Answer Link

Otras preguntas

Draw the structural formula of 3,3-dimethylhexanamide.

A song has 28 beats in 4 seconds. At this rate, how many beats are there in 30 seconds? what is the answer?

HELP PLEASEEEE If f(x) varies directly with x2, and f(x) = 75 when x = 5, find the value of f(8). 40 256 25 192

During batting practice, two pop flies are hit from the same location, 2 s apart. The paths are modeled by the equations h = -16t2 + 56t and h = -16t2 + 156t -

Mali was founded by . Mali was introduced to the Islamic culture by as he traveled to Mecca.

Each year in ancient Rome, the citizens elected two consuls to serve jointly for a one-year term. This is most comparable to the ______ branch of the United Sta

The purpose of the Marshall Plan was to rebuild European nations and make them less likely to embrace radical politcal options such as

imagine you are planning a local arts festival on a low budget, How would you market this event

Your best friend just won the lottery. even though you may experience envy, you also cannot help feeling excited along with him because you are both grinning fr

When potassium forms a compound with iodine one electron is transferred from the?